Ashcroft A Series Explosion Proof Pressure Switch

The Ashcroft® APA and APS explosion proof miniature pressure switches are designed for pressure control within harsh applications. The explosion-proof construction provides superior protection, while its compact design allows for easy integration into custom equipment or systems. This model is ideal for pressure alarm, shutdown or control within hazardous areas when limited size and process compatibility are needed.

Key Features:

  • Compact, 316 stainless steel construction
  • Explosion-proof housing provides uncompromising protection
  • Wide operating temperature (-40° to 89°C)
  • Factory set or field adjustable setpoint
  • Expanded selection of pressure and electrical connections


  • Accuracy: ±2.00% full scale
  • NEMA 4X, 7/9 (IP67); 316 stainless steel
  • SPDT or DPDT switching models
  • Pressure ranges: vacuum to 15,000 psi

The APA and APS explosion proof miniature pressure switch is ideal where accurate and reliable pressure measurement are essential: 

Process Market:

  • Refineries
  • Chemical and Petrochemical Plants
  • Offshore Oil Rigs
  • Oil and Gas Production
  • Oil Pipelines
  • Gas Transmission and Distribution Systems

Industrial Market:

  • Pumps, Compressors and Turbines
  • Specialized OEM Equipment

Please Contact Us for more detail